196693665

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 372708864

約数和(自身を除く): 176015199

約数列:

[1, 3, 5, 7, 15, 21, 35, 37, 105, 111, 185, 197, 257, 259, 555, 591, 771, 777, 985, 1285, 1295, 1379, 1799, 2955, 3855, 3885, 4137, 5397, 6895, 7289, 8995, 9509, 20685, 21867, 26985, 28527, 36445, 47545, 50629, 51023, 66563, 109335, 142635, 151887, 153069, 199689, 253145, 255115, 332815, 354403, 759435, 765345, 998445, 1063209, 1772015, 1873273, 5316045, 5619819, 9366365, 13112911, 28099095, 39338733, 65564555, 196693665]

約数ペア:

[(1, 196693665), (3, 65564555), (5, 39338733), (7, 28099095), (15, 13112911), (21, 9366365), (35, 5619819), (37, 5316045), (105, 1873273), (111, 1772015), (185, 1063209), (197, 998445), (257, 765345), (259, 759435), (555, 354403), (591, 332815), (771, 255115), (777, 253145), (985, 199689), (1285, 153069), (1295, 151887), (1379, 142635), (1799, 109335), (2955, 66563), (3855, 51023), (3885, 50629), (4137, 47545), (5397, 36445), (6895, 28527), (7289, 26985), (8995, 21867), (9509, 20685)]